{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "924711060",
    "entityType": "User",
    "nonce": "0x1a0837a651cd9e58b52887ef1a07ea7e1550c34d8a9ab7346e3f27806ff74b19",
    "signature": "0x8bf81c11bdf8b1da0400d91c337794ff385fde33238ca842debacb0e0e7dcec02f392ba7f849e264c3c53bb5025f2262ca260c225efcfdc36b6f8898d1686e481b",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}